diff --git a/phpBB/adm/style/acp_ext_gallery.html b/phpBB/adm/style/acp_ext_gallery.html
index 72ec92785c..fc641a8b23 100644
--- a/phpBB/adm/style/acp_ext_gallery.html
+++ b/phpBB/adm/style/acp_ext_gallery.html
@@ -33,12 +33,24 @@
 				<label><input type="radio" name="purge_on_remove" class="radio" value="0"{% if not settings.purge_on_remove %} checked="checked" {% endif %} /> {{ lang('NO') }}</label>
 			</dd>
 		</dl>
+		<dl>
+			<dt>
+				<label for="repositories">{{ lang('COMPOSER_REPOSITORIES') }}{{ lang('COLON') }}</label>
+				<span class="explain">
+					{{ lang('COMPOSER_REPOSITORIES_EXPLAIN') }}
+				</span>
+			</dt>
+			<dd>
+				<textarea id="repositories" name="repositories" rows="5" cols="30">{{ settings.repositories|join('\n') }}</textarea>
+			</dd>
+		</dl>
 		<dl>
 			<dt>
 				<label for="enable_packagist">{{ lang('ENABLE_PACKAGIST') }}{{ lang('COLON') }}</label><br />
 				<span class="explain">
-					<strong class="error">{{ lang('WARNING') }}{{ lang('COLON') }}</strong> {{ lang('ENABLE_PACKAGIST_DETAIL') }}
-				</span></dt>
+					<strong class="error">{{ lang('WARNING') }}{{ lang('COLON') }}</strong> {{ lang('ENABLE_PACKAGIST_EXPLAIN') }}
+				</span>
+			</dt>
 			<dd>
 				<label><input type="radio" id="enable_packagist" name="enable_packagist" class="radio" value="1"{% if settings.enable_packagist %} checked="checked" {% endif %} /> {{ lang('YES') }}</label>
 				<label><input type="radio" name="enable_packagist" class="radio" value="0"{% if not settings.enable_packagist %} checked="checked" {% endif %} /> {{ lang('NO') }}</label>
diff --git a/phpBB/includes/acp/acp_extensions.php b/phpBB/includes/acp/acp_extensions.php
index c12348a020..145d1c20a9 100644
--- a/phpBB/includes/acp/acp_extensions.php
+++ b/phpBB/includes/acp/acp_extensions.php
@@ -638,7 +638,7 @@ class acp_extensions
 					'enable_packagist' => $this->config['exts_composer_packagist'],
 					'enable_on_install' => $this->config['exts_composer_enable_on_install'],
 					'purge_on_remove' => $this->config['exts_composer_purge_on_remove'],
-					'repositories' => unserialize($this->config['exts_composer_repositories']),
+					'repositories' => ['a', 'b', 'c'],//unserialize($this->config['exts_composer_repositories']),
 				]);
 				$this->request->disable_super_globals();
 
diff --git a/phpBB/language/en/acp/extensions.php b/phpBB/language/en/acp/extensions.php
index f4ab2bf469..9d669a7587 100644
--- a/phpBB/language/en/acp/extensions.php
+++ b/phpBB/language/en/acp/extensions.php
@@ -148,5 +148,5 @@ $lang = array_merge($lang, array(
 	'ENABLE_ON_INSTALL'				=> 'Enable extensions when installing',
 	'PURGE_ON_REMOVE'				=> 'Purge extensions when removing',
 	'ENABLE_PACKAGIST'				=> 'Enable Packagist usage',
-	'ENABLE_PACKAGIST_DETAIL'		=> 'TODO text explaining why packagist shouldn\'t be enabled, dev usage, etc...',
+	'ENABLE_PACKAGIST_EXPLAIN'		=> 'TODO text explaining why packagist shouldn\'t be enabled, dev usage, etc...',
 ));